package lhdx13;

public class DianShiTest {
    public static void main(String[] args) {
        DianShi a=new DianShi("黑色",2999,19.5);
        YaoKo b=new YaoKo(100,20,"白色");
        a.startingUp(b);
        a.shutdown(b);
        a.change(b);
    }
}
